package com.mmall.concurrency.example.aqs;

import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

@Slf4j
public class CyclicBarrierExample1 {

    private static CyclicBarrier cyclicBarrier = new CyclicBarrier(5);
    public static void main(String[] args) throws Exception{

        ExecutorService executor = Executors.newCachedThreadPool();

        for (int i = 0; i < 10; i++) {

            final int threadNum = i;
            Thread.sleep(1000);
            executor.execute(()->{

                try{
                    race(threadNum);
                }catch (Exception e){

                    log.error("exception",e);
                }
            } );

        }
        executor.shutdown();
    }

    private static void race(int threadNum) throws Exception{

        Thread.sleep(1000);
        log.info("{} is ready",threadNum);
        cyclicBarrier.await();
        log.info("{} is continue",threadNum);
    }
}
